Luxar Viewer API Documentation - v2026.9.22
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    Module ui/rail-panels/performance-popover

    Performance rail popover — adaptive-resolution (DPR) controls.

    Reached by right-clicking the Performance gauge in the rail (left-click still toggles the docked FPS readout). Hosts the Adaptive Resolution toggle, the Manual DPR slider, and the live DPR/FPS readout rows — moved here from the Rendering Controls panel (performance is not a rendering concern).

    Rebuilt on each open, so it self-syncs from the AdaptiveDPRManager; the teardown clears the setup's periodic refresh interval.

    PerformancePopoverContext
    buildPerformancePopover